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Calculate gas flow, packaged air conditioning and combustion efficiency in domestic and industrial situations. Read more Show less
Part number: 10462
An instrument designed to simplify the calculations for all the larger heat...
Ex. VAT
£41.70
Inc. VAT
£50.04
Part number: 10460
An instrument, simple and quick to use, which determines the heating requir...
£40.00
£48.00
Part number: 10461
Part number: 10459
This calculator gives the heat requirements of new homes built to meet the ...
£40.85
£49.02
Part number: 10464
A double-sided instrument for calculations relating to the flow of all gase...
£34.04
Part number: 10463
Part number: 10467
This calculator is similar to the above giving the pressure loss in plastic...
£33.62
£40.34
Part number: 17357
£43.04
£51.65
Part number: 15763
The calculator is approved by the Air Conditioning Advisory Bureau.
£55.32
£66.38
Part number: 10468
The efficiency of a boiler is determined largely by the heat lost to any ex...
£20.43
£24.52
Part number: 10466